MicroNet SP676C Quick Installation Manual Download Page 1

Physical Description

SP676C front view

SP684C front view

Restore Default Button

Use this button to reset the switch or restore factory default 
settings. 
  ● To reset the switch, press the button once.
  ● To restore factory default settings, press and hold the button for 
three seconds.
Please refer to the following table for LED definition

Note

The Mini-GBIC slot shares the same LED indicator 

with the  last 4 RJ-45 (copper) ports.

Note: To prevent costly equipment damage and downtime, 
please consider installing a surge suppression device or a 
UPS (Un-interrupted Power Supply).

3

2

1

4

Installation

Micronet SP676C/SP684C Gigabit Ethernet Smart Switch is 
plug-n-play without any software to configure and also fully 
compliant with all kinds of network protocols.

The switch provides 16/24 RJ-45 ports of 10/100/1000M. Just 
connect your stations to it and play. Four mini-GBIC slots are 
optional. They are respectively shared with last 4 ports but have 
higher priority than the RJ-45 ports. If both RJ-45 ports and 
mini-GBIC slot are in use, the system will automatically detect 
mini-GBIC slots first. The mini-GBIC slot will be active, and the 
RJ-45 port will be disabled and ignored.

All ports could be used to connect with another switch. As all the 
ports support auto-uplink (MDI / MDI-X) function, user can choose 
to use a straight cable or a crossover cable to make a 
switch-to-switch connection.

For cable selection, refer to the following table

Introduction

Micronet SP676C/SP684C Gigabit Smart Switch delivers wire 
speed Gigabit performance and web-based management functions, 
suitable for high performance workgroups and server applications. 
With 16/24 10/100/1000Mbps RJ-45 ports and 4 shared mini-GBIC 
slots for fiber optic connection, it provides a perfect solution for 
huge data transmission and preserves the great flexibility of 
network infrastructure. 

Package content

Before you start installing the device, verify the following items are 
in the package:

● SP676C/SP684C Gigabit Smart Switch 
● Quick Installation Guide
● Manual CD
● RS-232 cable
● Rack-mount brackets and screws
● Power cord

Key Features

●Compliant with IEEE802.3 10Base-T, IEEE802.3u 100Base-TX,  
  IEEE802.3ab 1000Base-T, IEEE802.3z 1000Base-LX/SX and 
  IEEE802.3x flow control standards
● Support IEEE802.1q tag-based VLAN and IEEE802.1p traffic  
  prioritization
● Provide 8K MAC address entries and 16/24 groups of tag-based  
  VLAN table
● Provide 16/24 RJ-45 port of 10/100/1000Mbps and 4 shared  
  mini-GBIC slots for fiber extension
● Support up to 8 ports and 8(16-port)/12(24-port) groups of port  
  aggregation
● Support QoS function, port base, tag base and DSCP priority
● Support Rate Limit (ICMP Rate, Broadcast Rate, Multicast Rate)
● Support Port Mirror
● Supports 340K(16-port)/500K(24-port) bytes buffer Memory
● Support Jumbo frame 9K bytes
● Provide console port and web-based management interfaces 
● Provide Auto-discovery function for easy network management
● Support SNMP
● 19” Rack mountable

LED

Operation

Status

POWER

1000M

10/100M

Power is on.
Power is off.
Connection established.
Transmitting or receiving data.
No link or connected at 10M or 100M
Connection established.
Transmitting or receiving data.
No link or connected at 1000M.

On
Off
On/Green
Blink/Green
Off
On/Green
Blink/Green
Off

RJ-45
RJ-45
RJ-45

Connector

Cat. 3, 4, 5 UTP/STP
Cat. 5 UTP/STP
Cat .5,5e UTP/STP

Cable Type

100m
100m
100m

Max. 

Length

Network 

Speed

10Mbps
100Mbps
1000Mbps

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